Growth Mindset with Class Dojo's Big Ideas! Chapter 2, The Magic of Mistakes. Last week, I used the Class Dojo Big Ideas resource, Chapter 1, to introduce my new class to the concept of having a growth mindset. I fully believe that if you help children understand and think about a growth mindset, then it can help them develop a positive attitude toward learning and challenges in the classroom. This week we moved on to chapter 2: The Magic of Mistakes. I think it's so important for children to un